/*
 * This header was generated from the Linux kernel headers by update_headers.py,
 * to provide necessary information from kernel to userspace, such as constants,
 * structures, and macros, and thus, contains no copyrightable information.
 */
#ifndef _UAPIBLKTRACE_H
#define _UAPIBLKTRACE_H
#include <linux/types.h>
enum blktrace_cat {
	BLK_TC_READ	= 1 << 0,
	BLK_TC_WRITE	= 1 << 1,
	BLK_TC_FLUSH	= 1 << 2,
	BLK_TC_SYNC	= 1 << 3,
	BLK_TC_SYNCIO	= BLK_TC_SYNC,
	BLK_TC_QUEUE	= 1 << 4,
	BLK_TC_REQUEUE	= 1 << 5,
	BLK_TC_ISSUE	= 1 << 6,
	BLK_TC_COMPLETE	= 1 << 7,
	BLK_TC_FS	= 1 << 8,
	BLK_TC_PC	= 1 << 9,
	BLK_TC_NOTIFY	= 1 << 10,
	BLK_TC_AHEAD	= 1 << 11,
	BLK_TC_META	= 1 << 12,
	BLK_TC_DISCARD	= 1 << 13,
	BLK_TC_DRV_DATA	= 1 << 14,
	BLK_TC_FUA	= 1 << 15,
	BLK_TC_END	= 1 << 15,
};
#define BLK_TC_SHIFT		(16)
#define BLK_TC_ACT(act)		((act) << BLK_TC_SHIFT)
enum blktrace_act {
	__BLK_TA_QUEUE = 1,
	__BLK_TA_BACKMERGE,
	__BLK_TA_FRONTMERGE,
	__BLK_TA_GETRQ,
	__BLK_TA_SLEEPRQ,
	__BLK_TA_REQUEUE,
	__BLK_TA_ISSUE,
	__BLK_TA_COMPLETE,
	__BLK_TA_PLUG,
	__BLK_TA_UNPLUG_IO,
	__BLK_TA_UNPLUG_TIMER,
	__BLK_TA_INSERT,
	__BLK_TA_SPLIT,
	__BLK_TA_BOUNCE,
	__BLK_TA_REMAP,
	__BLK_TA_ABORT,
	__BLK_TA_DRV_DATA,
	__BLK_TA_CGROUP = 1 << 8,
};
enum blktrace_notify {
	__BLK_TN_PROCESS = 0,
	__BLK_TN_TIMESTAMP,
	__BLK_TN_MESSAGE,
	__BLK_TN_CGROUP = __BLK_TA_CGROUP,
};
#define BLK_TA_QUEUE		(__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_BACKMERGE	(__BLK_TA_BACKMERGE | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_FRONTMERGE	(__BLK_TA_FRONTMERGE | BLK_TC_ACT(BLK_TC_QUEUE))
#define	BLK_TA_GETRQ		(__BLK_TA_GETRQ | BLK_TC_ACT(BLK_TC_QUEUE))
#define	BLK_TA_SLEEPRQ		(__BLK_TA_SLEEPRQ | BLK_TC_ACT(BLK_TC_QUEUE))
#define	BLK_TA_REQUEUE		(__BLK_TA_REQUEUE | BLK_TC_ACT(BLK_TC_REQUEUE))
#define BLK_TA_ISSUE		(__BLK_TA_ISSUE | BLK_TC_ACT(BLK_TC_ISSUE))
#define BLK_TA_COMPLETE		(__BLK_TA_COMPLETE| BLK_TC_ACT(BLK_TC_COMPLETE))
#define BLK_TA_PLUG		(__BLK_TA_PLUG | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_UNPLUG_IO	(__BLK_TA_UNPLUG_IO | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_UNPLUG_TIMER	(__BLK_TA_UNPLUG_TIMER | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_INSERT		(__BLK_TA_INSERT | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_SPLIT		(__BLK_TA_SPLIT)
#define BLK_TA_BOUNCE		(__BLK_TA_BOUNCE)
#define BLK_TA_REMAP		(__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_ABORT		(__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_DRV_DATA	(__BLK_TA_DRV_DATA | BLK_TC_ACT(BLK_TC_DRV_DATA))
#define BLK_TN_PROCESS		(__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_TN_TIMESTAMP	(__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_TN_MESSAGE		(__BLK_TN_MESSAGE | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_IO_TRACE_MAGIC	0x65617400
#define BLK_IO_TRACE_VERSION	0x07
struct blk_io_trace {
	__u32 magic;
	__u32 sequence;
	__u64 time;
	__u64 sector;
	__u32 bytes;
	__u32 action;
	__u32 pid;
	__u32 device;
	__u32 cpu;
	__u16 error;
	__u16 pdu_len;

};
struct blk_io_trace_remap {
	__be32 device_from;
	__be32 device_to;
	__be64 sector_from;
};
enum {
	Blktrace_setup = 1,
	Blktrace_running,
	Blktrace_stopped,
};
#define BLKTRACE_BDEV_SIZE	32
struct blk_user_trace_setup {
	char name[BLKTRACE_BDEV_SIZE];
	__u16 act_mask;
	__u32 buf_size;
	__u32 buf_nr;
	__u64 start_lba;
	__u64 end_lba;
	__u32 pid;
};
#endif
